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World soils contain about 1500 gigatons of organic carbon. This large carbon reserve can increase atmospheric concentrations of CO2 by soil misuse or mismanagement, or it can reverse the 'greenhouse' effect by judicious land use and proper soil management. Soil Processes and the Carbon Cycle describes soil processes and their effects on the global carbon cycle while relating soil properties to soil quality and potential and actual carbon reserves in the soil. In addition, this book deals with modeling the carbon cycle in soil, and with methods of soil carbon determinations.
Vol. 3- includes v. 190- of the Transactions.
Before Brasília offers an in-depth exploration of life in the captaincy of Goiás during the late colonial and early national period of Brazilian history. Karasch effectively counters the “decadence” narrative that has dominated the historiography of Goiás. She shifts the focus from the declining white elite to an expanding free population of color, basing her conclusions on sources previously unavailable to scholars that allow her to meaningfully analyze the impacts of geography and ethnography. Karasch studies the progression of this society as it evolved from the slaving frontier of the seventeenth century to a majority free population of color by 1835. As populations of indigenous and African captives and their descendants grew throughout Brazil, so did resistance and violent opposition to slavery. This comprehensive work explores the development of frontier violence and the enslavements that ultimately led to the consolidation of white rule over a majority population of color, both free and enslaved.
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